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Finding the Fourth Proportional to 634,788.06, 876,007.56 and 362,861.88

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Solution

The fourth proportional to 634,788.06, 876,007.56 and 362,861.88 is: 500,749.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,788.06 : 876,007.56 = 362,861.88 : x
  2. Step 2: Convert to fraction form
    634,788.06/876,007.56 = 362,861.88/x
  3. Step 3: Cross multiply
    634,788.06x = 876,007.56 × 362,861.88
  4. Step 4: Simplify right side
    634,788.06x = 317,869,750,115.81
  5. Step 5: Solve for x
    x = 317,869,750,115.81/634,788.06
  6. Step 6: Final answer
    x = 500,749.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.